Add 12/20 and 3/56
12/20 + 3/56 is 183/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
12/20 = 12 × 14/20 × 14 = 168/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
3/56 = 3 × 5/56 × 5 = 15/280 - Add the two like fractions:
168/280 + 15/280 = 168 + 15/280 = 183/280 - So, 12/20 + 3/56 = 183/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/20+3/56 12/20+6/56 12/40+3/56 36/20+3/56 12/20+9/56 12/60+3/56 60/20+3/56 12/20+15/56 84/20+3/56 12/20+21/56